Qin Zhang

TL;DR: The second version of the NCEP Climate Forecast System (CFSv2) was made operational at the National Center for Environmental Prediction (NCEP) in 2011 as discussed by the authors.

TL;DR: The recent U.S. National Academies report, Assessment of Intraseasonal to Interannual Climate Prediction and Predictability, was unequivocal in recommending the need for the development of a North American Multimodel Ensemble (NMME) operational predictive capability.

TL;DR: In this paper, the authors present evidence that trends in summertime atmospheric circulation may have contributed as much as 60% to the September sea-ice extent decline since 1979, by a tendency towards a stronger anticyclonic circulation over Greenland and the Arctic Ocean with a barotropic structure in the troposphere.

TL;DR: In this paper, the authors assessed the performance of the North American Multimodel Ensemble (NMME) project and its contributing models using 29 years of hindcast data from models included in phase 1 of the project.

TL;DR: In this article, the performance of Madden-Julian oscillation (MJO) forecasts from NCEP's coupled and uncoupled general circulation models (GCMs) and statistical models is evaluated in near real time.